Kepler-22b
CategoryExoplanet
SystemKepler-22
Orbital Period290 days
About Kepler-22b
The first planet confirmed by Kepler to orbit in the habitable zone of a Sun-like star. About 2.4 times the radius of Earth. Located 640 light-years away in the constellation Cygnus. Discovered in 2011. Could be a water world, a mini-Neptune, or a rocky planet. Its actual mass remains unknown.
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